Abstract: Compounds of the formula (I) ##STR1## in which R.sub.1 and R.sub.2 are identical or different and are hydrogen, C.sub.1 -C.sub.6 -alkyl, C.sub.6 -C.sub.10 -aryl, (C.sub.6 -C.sub.10)-aryl-(C.sub.1 -C.sub.6)-alkyl or (C.sub.1 -C.sub.6)-alkyl-(C.sub.6 -C.sub.10)-aryl, it being possible for the alkyl and/or aryl radicals to be substituted by hydroxyl, C.sub.1 -C.sub.6 -alkoxy, C.sub.6 -C.sub.10 -aryloxy or halogen,with the proviso that R.sub.1 and R.sub.2 are not simultaneously hydrogen,R.sub.3 is a radical of the formula (II) or (III) ##STR2## in which Y and R.sub.5 are as defined in the description, are valuable colorants for the mass coloring of polymers, in electrophotographic toners and developers, in powder coating materials and in ink-jet inks.

Abstract: Mixtures of 2:1 Aluminium complexes of the type (Ic) are useful as solvent dyes.

Abstract: A salt of formula IF.sub.n.A (I)in which F is the residue of a metal free anionic dyestuff having 1 to 4 acids groups,n is 1 to 2; andA is a group containing 1 to 4 sterically hindered amine groups and at least n ammonium or immonium groups.

Abstract: 1. Synthetic polyamide comprising one or more of the following compounds:a) a compound having at least one sterically hindered amino group, ?hereinafter referred to as compounds a)!; orb) a trimesinic acid trialkylamide, at least one alkyl group of which bears at least one free amino and/or alkylamino group ?hereinafter referred to as compounds b)!; orc) a trialkylamino-substituted triazine, at least one alkyl group of which carries a free amino and/or alkylamino group ?hereinafter referred to as compounds c)!; ord) a dyestuff that is free of sulphonic acid groups and contains at least one group that is reactive to a hydroxy and/or amino group ?hereinafter referred to as compounds d)!; ore) a synthetic polyamide containing at least one group that is reactive with a hydroxy and/or amino group ?hereinafter referred to as compounds e)!.

Abstract: Complexes of formulae I and II ##STR1## wherein the variables are as defined in the specification are useful as dyes for, for example, the mass dyeing of plastics and for lacquers.

Abstract: A process for preparing a mixed aluminium-heavy metal dyestuff complex, in which the amount of heavy metal present is 10-98% and that of aluminium is 2 to 90% comprisingi) reacting the metal free dyestuff with less than a stoichiometric amount of a heavy metal compound followed byii) reacting the product with an aluminium compound in an amount to produce a stoichiometric excess of metal (calculated on all the metal present) to form a mixed aluminium-heavy metal complex.

Abstract: Salts of the formulaF.sub.n.Awherein F is an anion of a metal-free anionic dye having m acid groupswhereinm is 1 to 4, inclusive,A is a cation of an amine containing 1 to 6 sterically hindered amine groups, andn is 1 or 2,with the proviso that the salt contains 1 to n.times.m groups selected from ammonium and immonium groups, useful as pigments, particularly for the coloring of solvent-free and solvent-containing plastic materials, lacquers and printing inks.

Abstract: Compounds of the formula ##STR1## in which R.sub.1 signifies a group of the formula --NH.sub.2, --NH--R.sub.4 or --O--R.sub.4, in which R.sub.4 signifies a (C.sub.1-8)alkyl radical, a (C.sub.5-8)cycloalkyl radical or an unsubstituted or substituted phenyl, naphthyl or heterocyclic radical,Each of R.sub.2 and R.sub.3, which may be the same or different, signifies a hydrogen atom, a hydroxyl, (C.sub.1-8)alkoxy, amino, (C.sub.5-8)cycloalkylamino, (C.sub.1-8)alkylamino, (C.sub.1:8)dialkylamino, phenyl- or naphthylamino or N-phenyl-N-(C.sub.1-8)alkylamino group,A signifies a nitrogen atom or a group of the formula ##STR2## in which R.sub.6 signifies a hydrogen or halogen atom or a (C.sub.1-8)alkyl radical,Either n is 1 and D signifies the radical of a diazo component,Or n is 2 and D signifies the radical of a tetrazo component,Are useful as coloring materials, especially as pigments for plastics, synthetic resins, varnishes, viscose, cellulose acetate, printing inks and paper stock.

Abstract: Disclosed are compounds of formula I ##STR1## WHERE R.sub.1 is a fused benzene or naphthalene nucleus, m is one or two and R.sub.2 and R.sub.3 have various significances, their production and use as pigments and disperse dyes.

Abstract: The present invention relates to naphthoquinone derivatives of formula I, ##STR1## in which R.sub.1 signifies a halogen atom, a nitro group or an unsubstituted or substituted alkoxy or amino group,R.sub.2 signifies the atoms necessary to form an unsaturated ring system, which ring system has 1 or 2 nuclei and is unsubstituted or substituted,R.sub.3 signifies an unsubstituted or substituted 5-triazinyl or pyrimidyl radical, andn is 0, 1 or 2,Which compounds are free from sulphonic acid groups are useful as pigments or disperse dyes.

Abstract: The present invention relates to naphthoquinone derivatives of formula I, ##SPC1##in whichR.sub.1 signifies a halogen atom, a nitro group or an unsubstituted or substituted alkoxy or amino group,R.sub.2 signifies the atoms necessary to form an unsaturated ring system, which ring system has 1 or 2 nuclei and is unsubstituted or substituted,R.sub.3 signifies an unsubstituted or substituted s-triazinyl or pyrimidyl radical, andn is 0, 1 or 2,Which compounds are free from sulphonic acid groups are useful as pigments or disperse dyes.